Some IT DevOps, SysAdmin, Developer positions require the knowledge of basic linux Operating System. Most of the time, we know…
Git Cheat Sheet git init - Initialize a new git repository git clone [repository] - Clone an existing repository git…
Install and run your first noSQL MongoDB on Mac OSX Classified as a NoSQL database, MongoDB is an open source,…
Script with hash tables on windows and Linux A hash table, also known as a hash map, is a data…
How to reverse a string on Linux and Windows On Linux: Using the rev command: The rev command is a…
How to Remove all empty lines in a file on Linux and Windows? Remove empty lines from file.txt via Linux…
How to List only regular file names in a directory on Linux and Windows Listing regular files in a directory…
Let's find how to prompt and read input variables from keyboard while executing a script using shell, perl, python, batch…
Replace all instances of a string in a file Open the file in read mode using the open() function. Read…